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Code Issues Releases Wiki Activity

remove unnecessary calls to fcntl().

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This commit is contained in:
Brian Wellington
2000-07-07 19:10:00 +00:00
parent d8c8722f28
commit 68aa880dd5
1 changed files with 3 additions and 16 deletions
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19
lib/lwres/context.c
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@@ -15,7 +15,7 @@
* SOFTWARE. * SOFTWARE.
*/ */
/* $Id: context.c,v 1.25 2000/06/26 20:30:37 bwelling Exp $ */ /* $Id: context.c,v 1.26 2000/07/07 19:10:00 bwelling Exp $ */
#include <config.h> #include <config.h>
@@ -154,7 +154,7 @@ static void *
lwres_malloc(void *arg, size_t len) { lwres_malloc(void *arg, size_t len) {
void *mem; void *mem;
(void)arg; UNUSED(arg);
mem = malloc(len); mem = malloc(len);
if (mem == NULL) if (mem == NULL)
@@ -167,7 +167,7 @@ lwres_malloc(void *arg, size_t len) {
static void static void
lwres_free(void *arg, void *mem, size_t len) { lwres_free(void *arg, void *mem, size_t len) {
(void)arg; UNUSED(arg);
memset(mem, 0xa9, len); memset(mem, 0xa9, len);
free(mem); free(mem);
@@ -207,7 +207,6 @@ lwres_context_sendrecv(lwres_context_t *ctx,
{ {
int ret; int ret;
int ret2; int ret2;
int flags;
struct sockaddr_in sin; struct sockaddr_in sin;
LWRES_SOCKADDR_LEN_T fromlen; LWRES_SOCKADDR_LEN_T fromlen;
fd_set readfds; fd_set readfds;
@@ -232,22 +231,10 @@ lwres_context_sendrecv(lwres_context_t *ctx,
return (LWRES_R_IOERROR); return (LWRES_R_IOERROR);
again: again:
flags = fcntl(ctx->sock, F_GETFL, 0);
flags |= O_NONBLOCK;
ret = fcntl(ctx->sock, F_SETFL, flags);
if (ret < 0)
return (LWRES_R_IOERROR);
FD_ZERO(&readfds); FD_ZERO(&readfds);
FD_SET(ctx->sock, &readfds); FD_SET(ctx->sock, &readfds);
ret2 = select(ctx->sock + 1, &readfds, NULL, NULL, &timeout); ret2 = select(ctx->sock + 1, &readfds, NULL, NULL, &timeout);
flags = fcntl(ctx->sock, F_GETFL, 0);
flags &= ~O_NONBLOCK;
ret = fcntl(ctx->sock, F_SETFL, flags);
if (ret < 0)
return (LWRES_R_IOERROR);
/* /*
* What happened with select? * What happened with select?
*/ */